Derek looked at the clock. 4:30 in the morning. He groggily got out of bed and noticed the porch light shining near the door of his trailer. He made his way outside and found Addison sitting in her favorite deck chair, wrapped in her robe, arms crossed over her chest. "You're up early on your day off," he observed. Addison didn't turn to look at him. "Addison? What's wrong?"

"I heard you talking in your sleep," she replied coldly, still refusing to look at him.

"What? I don't talk in my sleep."

"So you were awake when you said those things?" she shot back, finally facing him.

"What things?"

"Like you don't know."

"I really don't," he said defensively. he asked, making sure not to look angry. There was no point getting in a fight over this.

"You were having a sex dream. And it wasn't with me... You were moaned a name. Repeatedly. You MOANED her name, Derek."

Derek placed one hand on his hip and ran the other through his hair as his dream came back to him.

"It was a dream, Addison! A dream!" he shouted.

"Well, you certainly seemed to be enjoying it."

Derek groaned in frustration. "You never had a sex dream before Addie? If I recall Russell is someone frequent at this bed"

"You know we don't have fun in a very long time" she called after him. "A dream is a wish your heart makes."

"You are trying to suggest something?"

"If you might be into trying out one of my fantasies". She bit he lower lip and looked up at him, with just a hint of teasing in her eyes. Derek wasn't sure how to react. They were at a marriage point where they had experienced almost everything, but again their life was getting a little bit boring. Especially in the bedroom. He just had to ask though "well, that depends on what it is" he asked timidly, curiosity evident in his voice.

She leaned closer to him, practically talking into his mouth and whispered "I want to try a threesome".

Derek recoiled into the pillow. This was not what he was expecting. They tried that a few years back, but she really didn't enjoy chicks. It was messy "Addy we are that desperate?" he asked.

She looked puzzled. "What?"

"You hated last time. If this is about last week at ER... It was a joke, I would never, ever..."

"No! though I'll admit, thinking about with a guy.." she smirked

"And me? what about me?" Derek said rapidly, backing into the wall.

"You didn't think you'd have all the fun, did you? I want it to be an experience for both of us"

She put a hand on him arm, and he relaxed into her touch. "I don't think I want some random guy touching you the way only I'm allowed to, seeing you like this. Let alone touching me".

She placed he head on his bare chest. "It doesn't have to be a random guy." She said simply, completely missing what he said. He was taken aback at first, but then, just out of pure curiosity he asked "Like whom?"

"Someone we both know, it can't be one sided. A friend, someone we can both trust. He has to be detached enough so as not to get attached to either of us. Not gay, but not totally straight either".

He wasn't stupid, but he had to try "How about Tom, that friend of yours who was at Savy's party?"

"Happily married. Do you think he's hot?"she teased, ticking him a little. "No!"Derek yelped. "He's a nice bloke, that's all! Ouch! no!"

They continued the tickle fight for a bit, then lay back on the bed. "You want him, right?"He asked, knowing she'd understand who he was talking about. "Yes" she replied "But only if you're comfortable with it. I'd never do it without you".

"He'll say no"

"You don't know that until you ask"

"Fine, I'll ask".

She smiled and curled up against him. Soon they both fell asleep.

Mark looked up at Derek, his expression quickly changing to confused, then focused.

"You're nervous" he stated, eventually.

"Yes"

"And annoyed. Some patient?" Derek nodded. "But then, why are anxious now? it's me. You want to tell me something" he gave Derek a look

"No. I want to ask you something" He said ashamed "Addison want..."

"Want?" He was getting tremendously curious

"She heard me having a sex dream and wanted to ask..."

"Wanted to ask?" And impatient

"Want to ask. Please stop repeating everything I say. She wanted to ask yoou if you want a threesome" He finally said

"WOW! You had a sex dream with me?"

"No, not with you. She had this fantasie and I was having a sex drem...Then what is your answer?"Derek asked, looking at the rug, at the ceiling, anything that isn't Mark's face.

Mark got up from the sofa and moved a step closer to Derek, invading his personal space. "But you didn't ask me anything" he said softly, his intense gaze fixed on Derek.

"Do you want me to?" Derek said quietly, afraid to move a muscle.

"If you want to" Mark said, moving even closer. Derek could just reach his hand and touch that face, those lips.

"Yes. Will you?" Derek asked, surprised to find his tone so needy and desperate.

Mark moved so deliciously closer to him, their faces nearly touching. Then, he said at a casual tone "Tell Red I will come tonight".

Before Derek had time to grasp the meaning of what Mark had said, that it would be happening, tonight, and had the chance to close that gap between them, Mark was gone. He heard the door of the attendant's room close and a soft rumbling of a machine. He stood there, dazed for a few more seconds then took out his cell and called Addie.

"Der?"

He said nothing.

"Der, are you there?"

He realized he had to say something or she would hang up "Yes."He croaked.

"Der, is everything alright?" She asked, concerned.

"Yes" he said again "he said yes".

"Who? Oh. really?"

"Yes."

"Are you freaking out? Do you want me to go the hospital now?"

"Yes and yes".

"Do you still want this?"

"Yes".

Derek let his eyes wander over her body, taking in every inch of her, just like he had for all years they were married.

Addison stared at his face, watching the expressions run over all his features as he let his eyes skim every inch of her. He knew her skin almost better then she knew it. Every scar, every freckle, every blemish. Some women would hate it; they would think that he was looking at her like she was nothing, a piece of meat. But Derek knew her, and she didn't feel insecure when he looked at her like this, she felt loved, because he wasn't seeing through her, he was seeing took his hand and led him to the bed, where they snogged lazily for about an hour. It was just getting interesting; with her placing soft bites on his neck and her hands drawing little circles on his biceps when there was a knock on the door.

Derek froze and felt Addison do the same underneath him. They turned to the opening door and stared at what Derek could only describe as one of the most magnificent sights he'd ever seen: Mark, wearing only his briefs, his long frame leaning on the doorway, the light from outside dancing over his skin. Derek rose off Addisin and sat back on the bed, scrambling for words. A little while later Mark broke the silence.

"Did I misunderstand? Was this not what you wanted?"

"No, no.. This is"

"Perfect" Addison complete her husband thoughts

"Come here" She motioned. Mark, never a guy to take orders, walked the three steps between the door and the bed, closing the door behind him. As Addison's eyes adjusted to the darkness she looked over Mark's body, amazed at how fragile it looked, like a glass statue. And a marvelous statue, at that.

Mark came closer to Addison and raised her chin to him. Then, he turned to Derek. "May I?" he asked, sincerity in his eyes. He wanted to say Are you sure? and I won't take her away. Derek understood. He nodded.

Mark bent down and put his lips against Addison's. She sighed and pulled him closer, her hands tangling in his hair. When they finally parted to breathe, Addison motioned to Derek to come closer. He kissed her, tasting a foreign taste on her lips. He licked it away. He heard her moan and was surprised to see Mark has placed himself behind her, and was kissing the back of her neck.

Derek grabbed the hem of Addison's shirt and pulled it over her head. Mark stopped his ministrations and helped, their hands brushing. He continued to unclasp her familiar bra, freeing her medium sized breasts. Mark's hands wandered to her chest and tweaked a nipple. She squeaked and arched off him, pushing herself into Derek's embrace. He moved his mouth to her neck and grabbed her hips, steadying her against him. His hardening cock gave a little jolt of pleasure.

Addison moaned again and he licked southwards to her belly, than just a little lower- "Please Der" she panted, leaning back into Mark. Mark lifted her hips and allowed Derek to remove her trousers and the lacy underpants with them. Any other day, he would have given them a little more attention, but today they were off and forgotten before he had the chance to even notice their color. He used his hand to expose her clit then placed a soft kiss on it. She bucked into in face, nearly screaming. Mark silenced her with his lips. He licked her some more then gently thrust a finger into her. He curled it inside her and she moved her hips down, trying to get him to go deeper.

He noticed Mark's hand beside his own, and soon Mark was also fingering Addie.

Unceremoniously, he removed his shirt and trousers. He looked at them. Addie was laying on top of Mark, her back to him. He was grinding against her and fingering her in an awkward position. He had never seen anything hotter in his life. Addison's head was thrown back, her eyes closed. Derek places a hand at the waistband of his boxers. Mark nodded and watched him take his pants off.

"Such a dirty girl." He growled into her ear. "You've been waiting for this, haven't you?" He moaned as she slid her tongue down the length of his shaft, and he looked to see her eyes sparkling with mischief into his own. She gasped and her eyes rolled to the back of her head as Mark began to thrust his finger inside of her, setting a quick, hard pace.

"Fuck." Addison swore as her hips tried to move with Mark's finger, but his hand held her in place. "Fuck." Addison swore as her hips tried to move with Mark's finger, but his hand held her in place. She put that desire of motion into her hands, stroking Derek tighter and faster. He leaned forward and used a finger to rub slow, even circles on her clit. She tensed, releasing his dick and she let out soft squeaking sounds. Mark grit his teeth as he felt her vaginal walls tighten around his finger, and all he really knew was he wanted to feel that around his dick.

Derek walked back towards the bed, stopping at the bedside drawer and pulled the box of condoms out. He ripped on and put it on himself, feeling himself get harder at the touch. When he reached Addie Mark took his fingers out of her and placed them in his mouth, sucking on them obscenely. Derek proceeded to enter his wife, going as slow as he could. Once he was sheathed inside her heat he waited patiently for her to signal she was ready. An agonizing minute later she finally bucked down against him and he started gentle in and out motions. He started panting, breathing into Addison's neck. It was the familiar sensation of safe, sane, Addie that engulfed him together with something new and exciting. He closed his eyes and enjoyed this mix of emotions. Then, had felt a hand on his own.

He opened his eyes and saw Mark looking at him. His eyes were seeking something. He looked down and saw Mark had a finger inside Addie's bum. "May I?" he mouthed. Derek appreciated the sentiment. It wasn't something he and Addison hadn't explored a while ago, and Mark, being Mark, probably knew that, but it was nice of him to ask anyway. Derek smiled and nodded. He heard a cap opening and saw Mark spreading a generous amount of lube on three of his fingers. He gradually inserted them into Addison. Derek was astounded. He could I feel it. Addie felt tighter around him, and it was so, so wonderful.

"Yes! Yes!" she screamed next to his ear, Mark, took his briefs off, exposing his long, hard cock; that was already dripping pre-cum.

Derek watched as Addison began to lift herself up and down his dick while Mark played with her breasts, moving to take one into his mouth as he squeezed the other with one large hand. He slipped one hand around her waist and down to her pelvis, finding that little nub that was sure to get her to scream.

Mark in the meantime, grabbed her hands and pulled them up over her head, teasing her with his cock right out of reach.

"Beg for it." His voice coming out in a deep rumble. "I want to hear you beg to taste me." He watched her jerk forward, but between him holding her arms and Derek clinging to her waist, she couldn't move an inch.

She made a high, desperate sound "Please!"

Mark tore a condom wrapper and slid his hand across his cock, poured lube on himself then slowly started penetrating Addison from behind. Derek felt incredible tightness around his dick and looked into Addison's piercing gaze. Her mouth was hung open and her hair was such a mess he wanted more, he wanted to touch, he wanted

"Christ!" Addie scream and she was finished, shaking between them. He felt her come from inside. Mark's lips tightened against her and he felt it too. Then Mark moaned and that's all it took and he was cumming, and Mark was following suit. They collapsed on the bed, exhausted. "Good?" Mark asked.

Derek looked at the ceiling "That was amazing." Addison managed to say "Even though I do need to wash off." She added, looking down at herself.

Derek bent down and gave her a soft, tender kiss on her cheek.

"I get some towels." He moved off the bed, and headed to the bathroom, grabbed a small stack of towels that were on Addison's dresser.

"Planning this for a while?" Mark asked as he heard water running in the bathroom, and Addison smiled up at him sheepishly.

"We knew that you cared for me for a while, and I realized I was in love with the both of you. I just figured that there was no reason for you both to be with me, as long as you agreed to it." Derek walked into the room at that moment, and tossed a towel to both of the bed's occupants, and sat down on the other side of Addison.

Addison curled up on her side, as the doctors to their place on either side of her. She nestled in between them as Derek pulled the covers over the trio.

"Good night guys, I love you both." She drowsily as Derek turned off the lamp beside the bed. He gave her a tender kiss, Mark following suit.

"Love you too, babe." He told her, then looked over at Mark. The friend repeated Derek's action, and gave her another soft one on her ear.

"I love you Red." He whispered, his heart jumping at the fact that he was able to admit that to her. He laid his head on a pillow, and breathed in deeply "You okay with this?" Derek heard Mark ask from the other side of their lover.

Derek was quiet for a bit, reflecting on what he had been offered. It seemed kind of wrong, like they were using her- but she had been the one to offer the arrangement. He sighed, closing his eyes.

"As long as she's happy, then I'm fine with this." He said "But if she shows any sign of it becoming too much for her-"

"You guys are my best friends. You are AddisonandDerek" Mark finished for him. Derek nodded, even though he knew his brother couldn't see him in the dark, and finally allowed sleep to take him.".